发短信

1、视图

 1 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
 2     xmlns:tools="http://schemas.android.com/tools"
 3     android:layout_width="match_parent"
 4     android:layout_height="match_parent"
 5     android:paddingBottom="@dimen/activity_vertical_margin"
 6     android:paddingLeft="@dimen/activity_horizontal_margin"
 7     android:paddingRight="@dimen/activity_horizontal_margin"
 8     android:paddingTop="@dimen/activity_vertical_margin"
 9     tools:context=".MainActivity" >
10
11     <TextView
12         android:id="@+id/tv_input_number"
13         android:layout_width="wrap_content"
14         android:layout_height="wrap_content"
15         android:layout_alignParentLeft="true"
16         android:layout_alignParentTop="true"
17         android:text="@string/please_input_number"
18         android:textSize="20px" />
19
20     <EditText
21         android:singleLine="true"
22         android:id="@+id/et_number"
23         android:layout_width="match_parent"
24         android:layout_height="wrap_content"
25         android:layout_alignLeft="@+id/tv_input_number"
26         android:layout_below="@+id/tv_input_number"
27         android:ems="10"
28         android:inputType="phone" >
29
30     </EditText>
31
32     <TextView
33         android:id="@+id/tv_input_content"
34         android:layout_width="wrap_content"
35         android:layout_height="wrap_content"
36         android:layout_alignLeft="@+id/et_number"
37         android:layout_below="@+id/et_number"
38         android:layout_marginTop="14dp"
39         android:textColor="#ff0000"
40         android:text="@string/please_input_conent"
41         android:textSize="20px" />
42
43     <EditText
44         android:lines="5"
45         android:id="@+id/tv_content"
46         android:layout_width="match_parent"
47         android:layout_height="wrap_content"
48         android:layout_alignLeft="@+id/tv_input_content"
49         android:layout_below="@+id/tv_input_content"
50         android:layout_marginTop="16dp"
51         android:ems="10"
52         android:inputType="textMultiLine" />
53
54     <Button
55         android:id="@+id/bt_send"
56         android:layout_width="wrap_content"
57         android:layout_height="wrap_content"
58         android:layout_alignLeft="@+id/tv_content"
59         android:layout_below="@+id/tv_content"
60         android:text="@string/send_message" />
61
62 </RelativeLayout>

2、权限:

<uses-permission android:name="android.permission.SEND_SMS"/>

3、java代码

 1 package com.example.sendmessage;
 2
 3 import java.util.ArrayList;
 4
 5 import android.os.Bundle;
 6 import android.app.Activity;
 7 import android.telephony.SmsManager;
 8 import android.text.TextUtils;
 9 import android.view.Menu;
10 import android.view.View;
11 import android.view.View.OnClickListener;
12 import android.widget.Button;
13 import android.widget.EditText;
14 import android.widget.Toast;
15
16 public class MainActivity extends Activity implements OnClickListener {
17
18     private EditText et_number;
19     private EditText tv_content;
20     @Override
21     protected void onCreate(Bundle savedInstanceState) {
22         super.onCreate(savedInstanceState);
23         setContentView(R.layout.activity_main);
24         et_number = (EditText)findViewById(R.id.et_number);
25         tv_content = (EditText)findViewById(R.id.tv_content);
26
27         Button bt_send = (Button)findViewById(R.id.bt_send);
28         bt_send.setOnClickListener(this);
29     }
30
31     @Override
32     public void onClick(View v) {
33         // TODO Auto-generated method stub
34         switch(v.getId())
35         {
36         case R.id.bt_send:
37             String number = et_number.getText().toString().trim();
38             String content = tv_content.getText().toString().trim();
39             if(TextUtils.isEmpty(number) || TextUtils.isEmpty(content)){
40                 Toast.makeText(this, "电话号码或者内容不能为空", 0).show();
41                 return;
42             }else{
43                 SmsManager smsManager = SmsManager.getDefault();
44                 ArrayList<String> contents = smsManager.divideMessage(content);
45                 for(String str : contents){
46                 smsManager.sendTextMessage(number, null, str, null, null);
47                 }
48             }
49             break;
50         }
51
52     }
53
54 }